But they have plenty of other problems with Trump, who at least for now far outdistances his rivals for the Republican nomination despite his multiple criminal indictments. Why the divergence between the two on public perceptions of their age?“Biden just seems to be very compromised by age-related conditions,” said Eric Dezenhall, 60, a corporate scandal-management consultant who has followed Trump's career and worked in Ronald Reagan's White House. “Biden is likely to outlive Trump because he has fewer harmful risk factors and he does exercise quite notably, whereas Trump does not,” he said